e5a821212ceb9a90613430d8971348f07999a8cbb70b32b1f6d9ddbbae0225c5

Analysis

max time kernel
147s
max time network
147s
platform
windows10_x64
resource
win10v20210408
submitted
20-07-2021 20:39

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General

Target

Wt-098606493.xlsm
Size

185KB
MD5

c8f8edb5dce7ada6d8ea864b2cd43743
SHA1

4b15f33bc4c8aacec0d8b7c23da99d1501539edc
SHA256

e5a821212ceb9a90613430d8971348f07999a8cbb70b32b1f6d9ddbbae0225c5
SHA512

c88ea4c75fc0d81ae71ca83b30c850f71c4f8308a08598c615619853d529568f39c3f551694cc9c754cef0afae0604ef77d5cbff3d5e4114401a68a6d81d3b62

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://clientportal.download/123.php

Signatures

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

992 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
992	EXCEL.EXE
992	EXCEL.EXE
992	EXCEL.EXE
992	EXCEL.EXE
992	EXCEL.EXE
992	EXCEL.EXE
992	EXCEL.EXE
992	EXCEL.EXE
992	EXCEL.EXE
992	EXCEL.EXE
992	EXCEL.EXE
992	EXCEL.EXE

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Wt-098606493.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:992

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/992-114-0x00007FF6DE9E0000-0x00007FF6E1F96000-memory.dmp

Filesize
53.7MB

Download
memory/992-115-0x00007FFEB3A10000-0x00007FFEB3A20000-memory.dmp

Filesize
64KB

Download
memory/992-116-0x00007FFEB3A10000-0x00007FFEB3A20000-memory.dmp

Filesize
64KB

Download
memory/992-117-0x00007FFEB3A10000-0x00007FFEB3A20000-memory.dmp

Filesize
64KB

Download
memory/992-118-0x00007FFEB3A10000-0x00007FFEB3A20000-memory.dmp

Filesize
64KB

Download
memory/992-121-0x00007FFEB3A10000-0x00007FFEB3A20000-memory.dmp

Filesize
64KB

Download
memory/992-122-0x00007FFED41C0000-0x00007FFED52AE000-memory.dmp

Filesize
16.9MB

Download
memory/992-123-0x00007FFED22C0000-0x00007FFED41B5000-memory.dmp

Filesize
31.0MB

Download